.x {
	width: 1400px;
	height: 800px;
	border: 1px solid #00FFFF;
	display: flex;
	flex-direction: column;
	justify-content: center;
}

img {
	width: 300px;
}

h3 {
	border: 1px solid #00FFFF;
	visibility: visible;
	font-size: 50px;
}

.xx {
	border: 1px solid #00FFFF;
	display: inline-block;
	width: 700px;
	height: 700px;
	margin: 0 auto;
	visibility: hidden;
}

.xx:hover {
	visibility: visible;
}
